reading H5NUVOLA_PATH environmental variable as default folder for "local" deployment

settings.py

+import os
 # deploy type ["local", "VUO", "K8S"]
 deploy = "K8S"
 # paths
 fileFolderPath = {"local" : "/home/andrea/PycharmProjects/",
                   "VUO" : "/",
                   "K8S" : "./",
-                  "rafec" : "/"}
+                  "rafec" : os.getenv('H5NUVOLA_PATH', "/")}
 
 fileFolderName = {"local" : "imgs",
                   "VUO" : "",